Montana USDA Hardiness Zone Map

Zone 2b
-45°F to -40°F
Zone 3a
-40°F to -35°F
Zone 3b
-35°F to -30°F
Zone 4a
-30°F to -25°F
Zone 4b
-25°F to -20°F
Zone 5a
-20°F to -15°F
Zone 5b
-15°F to -10°F
Zone 6a
-10°F to -5°F

Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Montana which ranges from USDA Zone 2b to USDA Zone 6a.

1990 USDA Hardiness Zone Maps for Neighboring States and Provinces

  • Idaho Interactive USDA 1990 Hardiness Zone Map
  • North Dakota Interactive USDA 1990 Hardiness Zone Map
  • South Dakota Interactive USDA 1990 Hardiness Zone Map
  • Wyoming Interactive USDA 1990 Hardiness Zone Map

Related Montana Maps:

  • Montana 2012 USDA Hardiness Zone Map
  • Montana First Frost Date Map
  • Montana Last Frost Date Map
  • Map of Montana Record High/Low Temperatures
  • Montana Interactive Drought Monitor Map
  • Montana Drought Index Map
  • Montana Ecoregions
  • Montana Heat Zones Map

List of 1990 Hardiness Zones for Cities in Montana

LocationHardiness Zone
AbsarokeeZone 4a: -30°F to -25°F
ActonZone 4b: -25°F to -20°F
AgencyZone 4b: -25°F to -20°F
AlbertonZone 5b: -15°F to -10°F
AlderZone 4a: -30°F to -25°F
AlzadaZone 4a: -30°F to -25°F
AmsterdamZone 3b: -35°F to -30°F
AnacondaZone 3b: -35°F to -30°F
AngelaZone 4a: -30°F to -25°F
AntelopeZone 3b: -35°F to -30°F
ApgarZone 4a: -30°F to -25°F
ArleeZone 4a: -30°F to -25°F
AshlandZone 4a: -30°F to -25°F
AugustaZone 4a: -30°F to -25°F
AvonZone 4a: -30°F to -25°F
AzureZone 3b: -35°F to -30°F
BabbZone 3b: -35°F to -30°F
BainvilleZone 3b: -35°F to -30°F
BakerZone 4a: -30°F to -25°F
BallantineZone 4a: -30°F to -25°F
BannackZone 4a: -30°F to -25°F
BasinZone 4a: -30°F to -25°F
BataviaZone 5b: -15°F to -10°F
Bear DanceZone 4a: -30°F to -25°F
BearcreekZone 4b: -25°F to -20°F
Beaver CreekZone 3b: -35°F to -30°F
BelfryZone 4a: -30°F to -25°F
BelgradeZone 4a: -30°F to -25°F
BelknapZone 5b: -15°F to -10°F
BeltZone 4a: -30°F to -25°F
BenzienZone 3a: -40°F to -35°F
BiddleZone 3b: -35°F to -30°F
Big ArmZone 4b: -25°F to -20°F
Big Hole Natl BattlefieldZone 3a: -40°F to -35°F
Big SandyZone 3b: -35°F to -30°F
Big SkyZone 4a: -30°F to -25°F
Big Sky Ski And Summer ResortZone 4a: -30°F to -25°F
Big TimberZone 4b: -25°F to -20°F
BigforkZone 4b: -25°F to -20°F
BighornZone 4a: -30°F to -25°F
BillingsZone 4b: -25°F to -20°F
BirneyZone 4a: -30°F to -25°F
Birney Day SchoolZone 4a: -30°F to -25°F
Black EagleZone 4a: -30°F to -25°F
BloomfieldZone 4a: -30°F to -25°F
BoneauZone 3b: -35°F to -30°F
BonnerZone 4a: -30°F to -25°F
Bonner-West RiversideZone 4a: -30°F to -25°F
BoulderZone 4b: -25°F to -20°F
Box ElderZone 3b: -35°F to -30°F
BoydZone 4a: -30°F to -25°F
BoyesZone 3b: -35°F to -30°F
BozemanZone 4b: -25°F to -20°F
BradyZone 3b: -35°F to -30°F
BredetteZone 4a: -30°F to -25°F
BridgerZone 4a: -30°F to -25°F
Bridger Bowl Ski AreaZone 4b: -25°F to -20°F
BroadusZone 3b: -35°F to -30°F
BroadviewZone 4a: -30°F to -25°F
BrocktonZone 3a: -40°F to -35°F
BrockwayZone 3b: -35°F to -30°F
BrowningZone 3b: -35°F to -30°F
BrusettZone 3b: -35°F to -30°F
BuffaloZone 4a: -30°F to -25°F
BusbyZone 3b: -35°F to -30°F
ButteZone 4a: -30°F to -25°F
BynumZone 4a: -30°F to -25°F
CamasZone 5b: -15°F to -10°F
CameronZone 3b: -35°F to -30°F
Camp ThreeZone 4a: -30°F to -25°F
Canyon CreekZone 4a: -30°F to -25°F
CapitolZone 3b: -35°F to -30°F
CarbertZone 3b: -35°F to -30°F
CardwellZone 4b: -25°F to -20°F
CarltonZone 4b: -25°F to -20°F
CarterZone 3b: -35°F to -30°F
CascadeZone 3b: -35°F to -30°F
CharloZone 4a: -30°F to -25°F
Charlos HeightsZone 4b: -25°F to -20°F
ChesterZone 3b: -35°F to -30°F
ChinookZone 3a: -40°F to -35°F
ChoteauZone 4a: -30°F to -25°F
ChristinaZone 4a: -30°F to -25°F
ChurchillZone 3b: -35°F to -30°F
CircleZone 3b: -35°F to -30°F
ClancyZone 4b: -25°F to -20°F
ClintonZone 4a: -30°F to -25°F
Clyde ParkZone 4b: -25°F to -20°F
Coffee CreekZone 4a: -30°F to -25°F
CohagenZone 3b: -35°F to -30°F
ColstripZone 4a: -30°F to -25°F
Columbia FallsZone 4b: -25°F to -20°F
ColumbusZone 4a: -30°F to -25°F
CondonZone 4a: -30°F to -25°F
ConnerZone 4a: -30°F to -25°F
ConradZone 3b: -35°F to -30°F
ContentZone 3b: -35°F to -30°F
Cooke CityZone 4a: -30°F to -25°F
CoramZone 4a: -30°F to -25°F
CorvallisZone 4b: -25°F to -20°F
Corwin SpringsZone 4a: -30°F to -25°F
CraigZone 4a: -30°F to -25°F
CraneZone 3b: -35°F to -30°F
Crow AgencyZone 4a: -30°F to -25°F
CulbertsonZone 3b: -35°F to -30°F
CusterZone 4a: -30°F to -25°F
Cut BankZone 3b: -35°F to -30°F
DagmarZone 3b: -35°F to -30°F
DaleviewZone 3a: -40°F to -35°F
DarbyZone 4a: -30°F to -25°F
DaytonZone 4b: -25°F to -20°F
De BorgiaZone 5b: -15°F to -10°F
DeckerZone 4a: -30°F to -25°F
Deer LodgeZone 4a: -30°F to -25°F
DellZone 4a: -30°F to -25°F
DentonZone 4a: -30°F to -25°F
DillonZone 4b: -25°F to -20°F
Discovery Basin Ski AreaZone 4a: -30°F to -25°F
DivideZone 4a: -30°F to -25°F
DixonZone 5b: -15°F to -10°F
DodsonZone 3a: -40°F to -35°F
DooleyZone 3b: -35°F to -30°F
DrummondZone 4a: -30°F to -25°F
DupuyerZone 4a: -30°F to -25°F
DuttonZone 3b: -35°F to -30°F
East Glacier ParkZone 4a: -30°F to -25°F
East Glacier Park VillageZone 4a: -30°F to -25°F
East HelenaZone 4a: -30°F to -25°F
East MissoulaZone 4a: -30°F to -25°F
EdgarZone 4a: -30°F to -25°F
EkalakaZone 4a: -30°F to -25°F
ElkhornZone 4b: -25°F to -20°F
EllistonZone 4a: -30°F to -25°F
ElmoZone 4b: -25°F to -20°F
EmigrantZone 4a: -30°F to -25°F
EnnisZone 4a: -30°F to -25°F
EssexZone 4a: -30°F to -25°F
EthridgeZone 4a: -30°F to -25°F
EurekaZone 4a: -30°F to -25°F
EvaroZone 4a: -30°F to -25°F
EvergreenZone 4b: -25°F to -20°F
FairfieldZone 3b: -35°F to -30°F
FairviewZone 3b: -35°F to -30°F
FallonZone 3b: -35°F to -30°F
Finley PointZone 4a: -30°F to -25°F
FishtailZone 4b: -25°F to -20°F
FlaxvilleZone 3a: -40°F to -35°F
FlorenceZone 4b: -25°F to -20°F
FlowereeZone 3b: -35°F to -30°F
Forest GroveZone 4a: -30°F to -25°F
Forest Hill VillageZone 4b: -25°F to -20°F
ForsythZone 4a: -30°F to -25°F
Fort BelknapZone 3a: -40°F to -35°F
Fort Belknap AgencyZone 3a: -40°F to -35°F
Fort BentonZone 3b: -35°F to -30°F
Fort HarrisonZone 4a: -30°F to -25°F
Fort PeckZone 4a: -30°F to -25°F
Fort ShawZone 3b: -35°F to -30°F
Fort SmithZone 4b: -25°F to -20°F
FortineZone 4a: -30°F to -25°F
Four ButtesZone 3b: -35°F to -30°F
Four CornersZone 4b: -25°F to -20°F
Fox LakeZone 3b: -35°F to -30°F
FrazerZone 3b: -35°F to -30°F
FrenchtownZone 5b: -15°F to -10°F
FroidZone 3b: -35°F to -30°F
FrombergZone 4a: -30°F to -25°F
GalataZone 3b: -35°F to -30°F
Gallatin GatewayZone 4b: -25°F to -20°F
GardinerZone 4a: -30°F to -25°F
GarneillZone 4a: -30°F to -25°F
GarrisonZone 4a: -30°F to -25°F
GarryowenZone 3b: -35°F to -30°F
GeraldineZone 4a: -30°F to -25°F
GeyserZone 4a: -30°F to -25°F
Gibson FlatsZone 4a: -30°F to -25°F
GildfordZone 3b: -35°F to -30°F
Glacier Natl ParkZone 4a: -30°F to -25°F
GlasgowZone 3b: -35°F to -30°F
GlenZone 4b: -25°F to -20°F
GlendiveZone 3b: -35°F to -30°F
GlentanaZone 3b: -35°F to -30°F
Gold CreekZone 4a: -30°F to -25°F
GrantsdaleZone 4b: -25°F to -20°F
Grass RangeZone 4a: -30°F to -25°F
Great FallsZone 4a: -30°F to -25°F
Great Falls/Malmstrom AFBZone 4a: -30°F to -25°F
GreenoughZone 3a: -40°F to -35°F
GreycliffZone 4a: -30°F to -25°F
HallZone 4a: -30°F to -25°F
HamiltonZone 4b: -25°F to -20°F
HammondZone 3b: -35°F to -30°F
Happys InnZone 4b: -25°F to -20°F
HardinZone 4a: -30°F to -25°F
HarlemZone 3a: -40°F to -35°F
HarlowtonZone 4a: -30°F to -25°F
HarrisonZone 4b: -25°F to -20°F
HathawayZone 4a: -30°F to -25°F
HauganZone 5b: -15°F to -10°F
HavreZone 3b: -35°F to -30°F
Havre NorthZone 3b: -35°F to -30°F
HaysZone 3b: -35°F to -30°F
Heart ButteZone 4a: -30°F to -25°F
Hebgen LakeZone 3a: -40°F to -35°F
HelenaZone 4a: -30°F to -25°F
Helena Valley NortheastZone 4a: -30°F to -25°F
Helena Valley NorthwestZone 4a: -30°F to -25°F
Helena Valley SoutheastZone 4a: -30°F to -25°F
Helena Valley West CentralZone 4a: -30°F to -25°F
Helena West SideZone 4a: -30°F to -25°F
HelmvilleZone 4a: -30°F to -25°F
HeronZone 5b: -15°F to -10°F
HerronZone 3b: -35°F to -30°F
HighwoodZone 4a: -30°F to -25°F
HilgerZone 4a: -30°F to -25°F
HinghamZone 3b: -35°F to -30°F
HinsdaleZone 4a: -30°F to -25°F
HobsonZone 4a: -30°F to -25°F
HogelandZone 3b: -35°F to -30°F
HomesteadZone 3b: -35°F to -30°F
Hot SpringsZone 5b: -15°F to -10°F
Hot Springs Recreation AreaZone 4a: -30°F to -25°F
Hungry HorseZone 4b: -25°F to -20°F
HuntleyZone 4a: -30°F to -25°F
HusonZone 5b: -15°F to -10°F
HyshamZone 4a: -30°F to -25°F
IngomarZone 4a: -30°F to -25°F
InvernessZone 3b: -35°F to -30°F
IsmayZone 3b: -35°F to -30°F
JacksonZone 4a: -30°F to -25°F
JardineZone 4a: -30°F to -25°F
Jefferson CityZone 4b: -25°F to -20°F
JetteZone 4b: -25°F to -20°F
JolietZone 4a: -30°F to -25°F
JoplinZone 3b: -35°F to -30°F
JordanZone 3b: -35°F to -30°F
Judith GapZone 4a: -30°F to -25°F
KalispellZone 4b: -25°F to -20°F
KerrZone 4b: -25°F to -20°F
KevinZone 3b: -35°F to -30°F
Kicking HorseZone 4a: -30°F to -25°F
KilaZone 5b: -15°F to -10°F
King Arthur ParkZone 4b: -25°F to -20°F
Kings PointZone 4b: -25°F to -20°F
KinseyZone 3b: -35°F to -30°F
KirbyZone 3b: -35°F to -30°F
KleinZone 4a: -30°F to -25°F
Knife RiverZone 3b: -35°F to -30°F
KremlinZone 3b: -35°F to -30°F
Lake Mary RonanZone 5b: -15°F to -10°F
Lake McDonaldZone 4a: -30°F to -25°F
LakesideZone 4b: -25°F to -20°F
LakeviewZone 3a: -40°F to -35°F
LambertZone 3b: -35°F to -30°F
Lame DeerZone 3b: -35°F to -30°F
LanduskyZone 3b: -35°F to -30°F
LarslanZone 3b: -35°F to -30°F
LaurelZone 4b: -25°F to -20°F
LavinaZone 4a: -30°F to -25°F
LedgerZone 3b: -35°F to -30°F
LewistownZone 4a: -30°F to -25°F
Lewistown HeightsZone 4a: -30°F to -25°F
LibbyZone 5b: -15°F to -10°F
LimaZone 4a: -30°F to -25°F
LincolnZone 3b: -35°F to -30°F
LindisfarneZone 4b: -25°F to -20°F
LindsayZone 3b: -35°F to -30°F
LivingstonZone 4b: -25°F to -20°F
LloydZone 3b: -35°F to -30°F
LocateZone 3b: -35°F to -30°F
LockwoodZone 4a: -30°F to -25°F
Lodge GrassZone 3b: -35°F to -30°F
Lodge PoleZone 3a: -40°F to -35°F
LoganZone 3a: -40°F to -35°F
LoloZone 4b: -25°F to -20°F
Lolo Hot SpringsZone 5b: -15°F to -10°F
LomaZone 3a: -40°F to -35°F
LonepineZone 5b: -15°F to -10°F
LoringZone 3b: -35°F to -30°F
LothairZone 4a: -30°F to -25°F
LustreZone 3b: -35°F to -30°F
Malmstrom AFBZone 4a: -30°F to -25°F
MaltaZone 3b: -35°F to -30°F
ManhattanZone 3a: -40°F to -35°F
MarionZone 5b: -15°F to -10°F
MarshZone 3b: -35°F to -30°F
Martin CityZone 4a: -30°F to -25°F
MartinsdaleZone 4b: -25°F to -20°F
MarysvilleZone 4a: -30°F to -25°F
MaudlowZone 4a: -30°F to -25°F
MaxvilleZone 4a: -30°F to -25°F
McAllisterZone 4b: -25°F to -20°F
McCabeZone 3b: -35°F to -30°F
McLeodZone 4b: -25°F to -20°F
Medicine LakeZone 3b: -35°F to -30°F
MelroseZone 4b: -25°F to -20°F
MelstoneZone 4a: -30°F to -25°F
MelvilleZone 4b: -25°F to -20°F
MildredZone 3b: -35°F to -30°F
Miles CityZone 3b: -35°F to -30°F
MilltownZone 4a: -30°F to -25°F
MissoulaZone 4a: -30°F to -25°F
MizpahZone 3b: -35°F to -30°F
MoccasinZone 4a: -30°F to -25°F
MoltZone 4b: -25°F to -20°F
MonarchZone 3b: -35°F to -30°F
Montana CityZone 4a: -30°F to -25°F
MooreZone 4a: -30°F to -25°F
MosbyZone 4a: -30°F to -25°F
MuddyZone 3b: -35°F to -30°F
MusselshellZone 4a: -30°F to -25°F
NashuaZone 3b: -35°F to -30°F
NeihartZone 3b: -35°F to -30°F
NiaradaZone 5b: -15°F to -10°F
NorrisZone 4b: -25°F to -20°F
North BrowningZone 3b: -35°F to -30°F
Northwest Peak Scenic AreaZone 5b: -15°F to -10°F
NoxonZone 5b: -15°F to -10°F
NyeZone 4b: -25°F to -20°F
OilmontZone 3b: -35°F to -30°F
Old AgencyZone 5b: -15°F to -10°F
OliveZone 3b: -35°F to -30°F
OlneyZone 4b: -25°F to -20°F
OpheimZone 3b: -35°F to -30°F
Orchard HomesZone 4b: -25°F to -20°F
OtterZone 4a: -30°F to -25°F
OutlookZone 3b: -35°F to -30°F
OvandoZone 3a: -40°F to -35°F
PabloZone 4a: -30°F to -25°F
ParadiseZone 5b: -15°F to -10°F
Park CityZone 4a: -30°F to -25°F
Parker SchoolZone 3b: -35°F to -30°F
PeerlessZone 3b: -35°F to -30°F
PendroyZone 3b: -35°F to -30°F
PermaZone 5b: -15°F to -10°F
PhilipsburgZone 4a: -30°F to -25°F
PiltzvilleZone 4a: -30°F to -25°F
PinesdaleZone 5b: -15°F to -10°F
Pioneer JunctionZone 5b: -15°F to -10°F
PlainsZone 5b: -15°F to -10°F
PlentywoodZone 3b: -35°F to -30°F
PlevnaZone 3b: -35°F to -30°F
PolarisZone 4b: -25°F to -20°F
PolebridgeZone 3b: -35°F to -30°F
PolsonZone 4b: -25°F to -20°F
Pompeys PillarZone 4a: -30°F to -25°F
PonyZone 4b: -25°F to -20°F
PoplarZone 3b: -35°F to -30°F
PowdervilleZone 3b: -35°F to -30°F
PowerZone 3b: -35°F to -30°F
PrayZone 4b: -25°F to -20°F
ProctorZone 4b: -25°F to -20°F
PryorZone 4b: -25°F to -20°F
RadersburgZone 4b: -25°F to -20°F
RamsayZone 3a: -40°F to -35°F
RapeljeZone 4a: -30°F to -25°F
RavalliZone 4b: -25°F to -20°F
RaymondZone 3b: -35°F to -30°F
RaynesfordZone 4a: -30°F to -25°F
Red LodgeZone 4b: -25°F to -20°F
RedstoneZone 3a: -40°F to -35°F
Reed PointZone 4a: -30°F to -25°F
ReserveZone 3b: -35°F to -30°F
RexfordZone 4a: -30°F to -25°F
RicheyZone 4a: -30°F to -25°F
RichlandZone 3b: -35°F to -30°F
RidgewayZone 3b: -35°F to -30°F
RinglingZone 4a: -30°F to -25°F
RiverbendZone 5b: -15°F to -10°F
RivuletZone 5b: -15°F to -10°F
RobertsZone 4b: -25°F to -20°F
Rocky Boy's AgencyZone 3b: -35°F to -30°F
Rocky PointZone 4b: -25°F to -20°F
RollinsZone 4b: -25°F to -20°F
RonanZone 4a: -30°F to -25°F
RoscoeZone 4b: -25°F to -20°F
RosebudZone 4a: -30°F to -25°F
Ross Creek Scenic AreaZone 5b: -15°F to -10°F
RoundupZone 4a: -30°F to -25°F
RoyZone 4a: -30°F to -25°F
RudyardZone 3b: -35°F to -30°F
RyegateZone 4a: -30°F to -25°F
SacoZone 3b: -35°F to -30°F
Saddle ButteZone 3b: -35°F to -30°F
Saint IgnatiusZone 4a: -30°F to -25°F
Saint MarieZone 3b: -35°F to -30°F
Saint PierreZone 3b: -35°F to -30°F
Saint RegisZone 5b: -15°F to -10°F
Saint XavierZone 4a: -30°F to -25°F
SalteseZone 5b: -15°F to -10°F
Sand CouleeZone 4a: -30°F to -25°F
Sand SpringsZone 3a: -40°F to -35°F
SandersZone 4a: -30°F to -25°F
SangreyZone 3b: -35°F to -30°F
Santa RitaZone 3b: -35°F to -30°F
SavageZone 3b: -35°F to -30°F
ScobeyZone 3b: -35°F to -30°F
SedanZone 4a: -30°F to -25°F
Seeley LakeZone 3b: -35°F to -30°F
ShamboZone 3b: -35°F to -30°F
ShawmutZone 4a: -30°F to -25°F
ShelbyZone 3b: -35°F to -30°F
ShepherdZone 4a: -30°F to -25°F
SheridanZone 4b: -25°F to -20°F
ShonkinZone 4a: -30°F to -25°F
SidneyZone 3b: -35°F to -30°F
SilesiaZone 4a: -30°F to -25°F
Silver GateZone 4a: -30°F to -25°F
Silver StarZone 4b: -25°F to -20°F
SimmsZone 3b: -35°F to -30°F
SnawmutZone 4a: -30°F to -25°F
SomersZone 4b: -25°F to -20°F
SonnetteZone 3b: -35°F to -30°F
South BrowningZone 3b: -35°F to -30°F
SpringdaleZone 4b: -25°F to -20°F
SpringhillZone 4a: -30°F to -25°F
StanfordZone 4a: -30°F to -25°F
Starr SchoolZone 3b: -35°F to -30°F
StevensvilleZone 4b: -25°F to -20°F
StockettZone 4a: -30°F to -25°F
StrykerZone 4a: -30°F to -25°F
SulaZone 4a: -30°F to -25°F
SumatraZone 4a: -30°F to -25°F
Sun PrairieZone 4a: -30°F to -25°F
Sun RiverZone 3b: -35°F to -30°F
SunburstZone 3b: -35°F to -30°F
SuperiorZone 5b: -15°F to -10°F
Swan LakeZone 4a: -30°F to -25°F
Sweet GrassZone 3b: -35°F to -30°F
SylvaniteZone 5b: -15°F to -10°F
TeigenZone 4a: -30°F to -25°F
TerryZone 3a: -40°F to -35°F
Thompson FallsZone 5b: -15°F to -10°F
Three ForksZone 3b: -35°F to -30°F
TostonZone 4a: -30°F to -25°F
TownsendZone 4a: -30°F to -25°F
TregoZone 4a: -30°F to -25°F
Trout CreekZone 5b: -15°F to -10°F
TroyZone 5b: -15°F to -10°F
TurahZone 4a: -30°F to -25°F
TurnerZone 3b: -35°F to -30°F
Turtle LakeZone 4a: -30°F to -25°F
Twin BridgesZone 4b: -25°F to -20°F
Two DotZone 4b: -25°F to -20°F
TwodotZone 4b: -25°F to -20°F
UlmZone 3b: -35°F to -30°F
ValierZone 3b: -35°F to -30°F
Van NormanZone 3b: -35°F to -30°F
VanandaZone 4a: -30°F to -25°F
VandaliaZone 3b: -35°F to -30°F
VaughnZone 3b: -35°F to -30°F
VictorZone 4b: -25°F to -20°F
VidaZone 3b: -35°F to -30°F
VirgelleZone 3b: -35°F to -30°F
Virginia CityZone 4a: -30°F to -25°F
VolborgZone 3b: -35°F to -30°F
WalkervilleZone 3b: -35°F to -30°F
Warm SpringsZone 3b: -35°F to -30°F
WarrickZone 3b: -35°F to -30°F
WeeksvilleZone 5b: -15°F to -10°F
West GlacierZone 4a: -30°F to -25°F
West GlendiveZone 3b: -35°F to -30°F
West HavreZone 3b: -35°F to -30°F
West YellowstoneZone 2b: -45°F to -40°F
WestbyZone 3b: -35°F to -30°F
White HavenZone 5b: -15°F to -10°F
White Sulphur SpringsZone 4a: -30°F to -25°F
WhitefishZone 5b: -15°F to -10°F
Whitefish Mountain ResortZone 4b: -25°F to -20°F
WhitehallZone 4b: -25°F to -20°F
WhitetailZone 3a: -40°F to -35°F
WhitewaterZone 3b: -35°F to -30°F
WhitlashZone 3b: -35°F to -30°F
WibauxZone 3b: -35°F to -30°F
WilbornZone 4a: -30°F to -25°F
WillardZone 4a: -30°F to -25°F
Willow CreekZone 3b: -35°F to -30°F
WilsallZone 4a: -30°F to -25°F
WinifredZone 3b: -35°F to -30°F
WinnettZone 4a: -30°F to -25°F
WinstonZone 4a: -30°F to -25°F
WisdomZone 3a: -40°F to -35°F
Wise RiverZone 4a: -30°F to -25°F
Wolf CreekZone 4a: -30°F to -25°F
Wolf PointZone 3a: -40°F to -35°F
Woods BayZone 4b: -25°F to -20°F
WordenZone 4a: -30°F to -25°F
WyeZone 4b: -25°F to -20°F
WyolaZone 3b: -35°F to -30°F
YaakZone 4b: -25°F to -20°F
YaktZone 4b: -25°F to -20°F
YellowtailZone 4b: -25°F to -20°F
ZortmanZone 3b: -35°F to -30°F
ZurichZone 3a: -40°F to -35°F
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